Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K4KB callsign genealogy
Currently held by FERGUSON, BRIAN D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4KB's current licensee, walking backwards.
- FERGUSON, BRIAN DNCgranted 2021-04-20cancelled 2022-03-12
Successor callsigns
Callsigns held now by people who previously held K4KB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KB, oldest first.
- GEORGE, LEONARD M GA1998-04-21 → cancelled 1999-05-24
- Mestre, Jorge GA2011-07-08 → cancelled 2020-02-18
- FERGUSON, BRIAN D NC2022-03-12 active